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Results for “Pulmonary Valve Insufficiency”

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At least 19 recordsLinked to original sources

Massive pulmonary valve insufficiency associated with double pulmonary artery and ascending aorta aneurysm.

A case is reported of aneurysm of both the ascending aorta and pulmonary artery, associated with massive pulmonary valve insufficiency. Pulmonary artery aneurysm is a rare condition of unknown natural history; therapeutic management has not yet been established. Pulmonary valve insufficiency is also rare, with reported etiologies comprising mainly pulmonary valve anomalies. A comparative review of the literature relating to the diagnosis and therapeutic management of the condition is provided.

Adult↗

Repair of pulmonary valve insufficiency using an autologous monocusp.

A 3 1/2-year-old boy experienced right ventricular failure approximately two years after an operation for critical pulmonic stenosis. Severe pulmonary and tricuspid valvular insufficiency was documented echocardiographically and at cardiac catheterization. Treatment consisted of a tricuspid valve annuloplasty and creation of an autologous monocusp valve using the anterior wall of the pulmonary artery. The procedure was well tolerated, and early competence of the pulmonary valve was shown intraoperatively by pressure recordings and postoperatively by Doppler echocardiography. However, at recatheterization one year later, there was no evidence that the monocusp valve was functioning. This experience does not support the prior successful application of this technique in animals.

Cardiac Catheterization↗

[Quantification of postoperative pulmonary valve insufficiency: severity and clinical symptoms].

Surgical treatment of pulmonary stenosis may lead to inevitable valvular incompetence. The hemodynamic and clinical significance of post-operative pulmonary insufficiency (PI) is uncertain. In patients presenting cardiomegaly and reduced exercise tolerance reoperation may be considered. However, pulmonary valve replacement remains controversial. In order to elucidate the relevance of PI in the long-term post-operative course, quantitative data of PI were compared with chest radiographs and the physical condition. Thirty-one patients with a mean age of 18.5 years (3-36 years) were studied. Twenty-two patients had surgical correction of Tetralogy of Fallot (TOF) and nine had commissurotomy of pulmonary valve stenosis (PS). Catheterization was performed, on average, 12.9 years (2-29 years) after operation in 68% of cases with an interval of more than 10 years. PI was quantitated by digital roentgen densitometry. Regurgitant fraction (RGF) ranged between 13-61%, according to a right ventricle volume load index (VBI) of 1.15-2.6 (ratio of total to effective stroke volume). Twenty of 31 patients (12 TOF, 8 PS) had PI as the only significant lesion. VBI (1.15-2.6) correlated with the cardio thoracic ratio (0.50-0.64), r = 0.74. All patients were in good physical condition. 11 actively took part in sports: all of the eight patients studied by ergometry met normal conditions. Four patients had antiarrhythmic medication. Eleven of 31 patients had PI and additional abnormalities: tricuspid insufficiency (4), right ventricular pressure overload (5), ventricular septal defect (1), depressed left ventricular function (5), and aortic insufficiency (3).(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗

Short-term effect of monocuspid valves on pulmonary insufficiency and clinical outcome after surgical repair of tetralogy of Fallot.

In the surgical repair of tetralogy of Fallot, monocuspid valves are sometimes inserted within a transannular patch to prevent pulmonary insufficiency. To determine whether this monocuspid valve prevents short-term postoperative pulmonary insufficiency and improves clinical outcome, we reviewed clinical data and preoperative and postoperative echocardiographic variables from 61 patients who underwent one of three different procedures for repair of tetralogy of Fallot between August 1992 and March 1994. We compared features from 24 patients who had undergone transannular patch repair with a monocuspid valve (patch-valve) with those from 17 patients who had undergone patch repair without a monocuspid valve (patch) and 20 patients who had undergone repair without a transannular patch (no patch). We used the ratio of pulmonary valve insufficiency jet width to pulmonary artery diameter, as measured by color-flow Doppler flowmetry, as an index of severity of pulmonary insufficiency. Moderate to severe pulmonary insufficiency was arbitrarily defined as a ratio of at least 0.50. We found no significant differences in ratios among the patch-valve group (0.73 +/- 0.25, mean +/- standard deviation), the patch group (0.79 +/- 0.20), and the no patch group (0.59 +/- 0.23). The percentages of patients with moderate to severe pulmonary insufficiency did not differ among the three groups (patch-valve 80%, patch 90%, no patch 64%). Clinical data (including mortality, number of reoperations, intensive care unit and hospital lengths of stay, and postoperative hemodynamics) were similar in the three groups. We conclude that insertion of a monocuspid valve in repair of tetralogy of Fallot does not prevent short-term postoperative pulmonary insufficiency and does not improve immediate postoperative outcome for these patients.

Echocardiography↗

[Value of contrast echocardiography in the diagnosis of pulmonary valve insufficiency].

The directional analysis of contrast echographic flow lines is routinely used for tricuspid insufficiency diagnosis. The value of this noninvasive technique for the assessment of pulmonic regurgitation is not yet established. Therefore we evaluated the contrast M-mode echocardiograms at the pulmonary valve in 55 patients. Echographic contrast was obtained by injection of 6-8 ml of indocyanin-saline solution into an antecubital vein. In all 5 patients with documented pulmonic insufficiency (3 patients after repair of tetralogy of Fallot, one with pulmonic endocarditis, one posttraumatic) typical diastolic retrograde directed flow lines crossing the pulmonary valve were recorded. In addition, 6 of 18 patients with primary or secondary pulmonary hypertension exhibited early to middiastolic retrograde flow lines at the pulmonary valve. In contrast, none of the normals (N = 13), and none of 19 patients with various cardiac diseases but unaffected pulmonary valve and normal pulmonary artery pressure, had contrast echographic evidence of pulmonary insufficiency. There were distinctive differences between the contrast flow patterns of the patients with organic pulmonary insufficiency and patients with functional pulmonic regurgitation due to pulmonary hypertension. It is concluded that the directional analysis of contrast echographic flow lines at the pulmonary valve allows a sensitive assessment of pulmonary regurgitation using standard echocardiographic equipment.

Adult↗